All of a sudden

USAGE SUMMARY

The phrase "All of a sudden" is correct and usable in written English.
It is typically used to describe something that happens unexpectedly or abruptly. Example: "All of a sudden, the lights went out, leaving everyone in darkness."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

"All of a sudden, it was there.

The New Yorker

All of a sudden, I was hungry.

The New Yorker

"All of a sudden you have nothing.

Independent

All of a sudden he just left.

Independent

"All of a sudden, everything is silent.

The New Yorker

All of a sudden the big nasturtiums.

The New Yorker

All of a sudden, things slowed down.

The New York Times

All of a sudden, we are here".

The New York Times - Sports

All of a sudden he got serious.

The New York Times

All of a sudden I panicked.

The New York Times

"All of a sudden, you feel pretty.

The New York Times

Expert writing Tips

Best practice

Use "All of a sudden" to emphasize the unexpected nature of an event. It adds a sense of surprise and immediacy to your writing.

Common error

While "All of a sudden" is widely understood, it can sound informal in academic or professional writing. Consider using more formal alternatives like "Unexpectedly" or "Abruptly" in those settings.

Linguistic Context

The phrase "All of a sudden" functions as an adverbial phrase, modifying a verb or clause to indicate the sudden and unexpected nature of an action or event. As supported by Ludwig, this phrase adds emphasis to the abruptness of the occurrence.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Formal & Business

0%

Science

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the adverbial phrase "All of a sudden" is a grammatically correct and frequently used expression to indicate an unexpected occurrence. Ludwig's analysis confirms its validity and common usage, particularly in news and media contexts. While highly prevalent, it's advisable to use more formal alternatives like "suddenly" or "unexpectedly" in academic or professional settings. The phrase effectively adds emphasis to the abruptness of an event, making it a valuable tool in everyday communication. The top authoritative sources such as The New Yorker, Independent, and The New York Times also employ the phrase.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Suddenly

A direct synonym, indicating a quick and unexpected event, with no additional elements.

Out of nowhere

Emphasizes the unexpected and surprising nature of an event, as if it appeared from an unknown origin.

Unexpectedly

Focuses on the lack of anticipation, highlighting the surprise element.

In an instant

Highlights the speed and immediacy of the occurrence.

In a flash

Similar to "in an instant", but more figurative, suggesting a very rapid change.

Without warning

Emphasizes the absence of any prior indication or signal.

Abruptly

Highlights the sudden and often unsettling nature of the event.

All at once

Conveys a sense of simultaneity and unexpectedness.

Like a shot

Uses a simile to emphasize the suddenness and speed of the action, making it more vivid.

On the spur of the moment

Implies a lack of planning and an immediate decision or occurrence.

FAQs

How can I use "All of a sudden" in a sentence?

"All of a sudden" is typically used at the beginning of a sentence or clause to indicate that something happened unexpectedly. For example, "All of a sudden, the music stopped."

What can I say instead of "All of a sudden"?

You can use alternatives like "suddenly", "unexpectedly", or "out of nowhere" depending on the context.

Is "All of a sudden" formal or informal?

"All of a sudden" is generally considered more informal. In formal writing, alternatives like "abruptly" or "unexpectedly" are often preferred.

What's the difference between "suddenly" and "All of a sudden"?

While both indicate an unexpected event, "All of a sudden" often carries a stronger sense of surprise or shock compared to "suddenly", which is a more neutral term.